2026-01 Variable Fonts in R Graphics
This document describes the addition of support for variable fonts in R, when rendering glyphs, plus changes to the CRAN package xdvir to take advantage of that ...
Fight Data Science in R: Proven Boxing Metrics & Models
Boxing analysis is no longer just about punch totals or “who looked busier.” Modern fight analysis is data science: repeatable pipelines, validated data, explainable models, and performance indicators that translate into strategy. This post shows how to build a professional fight data science workflow in R—from raw data to ... [Read more...]
When AdTech Misrepresent Their Own A/B Tests
Preamble: I had a roughly 8 year break from blogging and focussed on kids plus related duties. This year, I will try to start again.
My goal is to write about (advertising-related) research and how practitioners can apply the insights.
Todays paper i... [Read more...]
pharmaversesdtm 1.4.0 Release
We are pleased to announce the release of {pharmaversesdtm} 1.4.0 🎉
This release expands the breadth of SDTM test data available in the package, with a particular focus on neurology and oncology, alongside several targeted enhancements and fi...
pharmaversesdtm 1.4.0 Release
We are pleased to announce the release of {pharmaversesdtm} 1.4.0 🎉
This release expands the breadth of SDTM test data available in the package, with a particular focus on neurology and oncology, alongside several targeted enhancements and fi...
Using {ellmer} for Dynamic Alt Text Generation in {shiny} Apps
Alt Text
First things first, if you haven’t heard of or used alt text before, it
is a brief written description of an image that explains context and
purpose. It is used to improve accessibility by allowing screen readers
to describe images, or p...
Data Leakage in R: Why Correct Evaluation Matters Even When Metrics Do Not Change
1 Introduction – Why This Topic Matters
A model that performs exceptionally well on a test set is not necessarily a good model; in many cases, it is a warning sign. High accuracy or low error metrics are meaningful only if we understand h...
futurize: Parallelize Common Functions via a “Magic” Touch 🪄
I am incredibly excited to announce the release of the futurize package. This launch marks a major milestone in the decade-long journey of the Futureverse project.
Since the inception of the future ecosystem, I (and others) have envisioned a tool ...
Closing The Loop with Our 2025 Wrap-up
At the beginning of 2025, we outlined our goals for the year, our 2024 Highlights. As the year started, our work took place in a far more challenging global context than many of us anticipated. Across many countries, science and research faced funding... [Read more...]
ChatGPT’ed Monte Carlo exam
This semester I was teaching a graduate course on Monte Carlo methods at Paris Dauphine and I decided to experiment how helpful ChatGPT would prove in writing the final exam. Given my earlier poor impressions, I did not have great expectations and ended up definitely impressed! In total it took ...
Data Leakage in R: Why Correct Evaluation Matters Even When Metrics Do Not Change
1 Introduction – Why This Topic Matters
A model that performs exceptionally well on a test set is not necessarily a good model; in many cases, it is a warning sign. High accuracy or low error metrics are meaningful only if we understand h...
Correcting for multiplicity in the ’emmeans’ package
In my recent book (see below), on page 166 and earlier, I made the point that, with pairwise comparisons and, more generally, whenever simultaneous statistical tests are performed, it is necessary to provide P-values that account for the familywise ...
Why Submit to AI in Production: Speaking as a Tool for Better Work
We’re accepting abstracts for AI in Production until 23rd January. The conference takes place on 4th–5th June 2026 in Newcastle, with talks on Friday 5th across two streams: one focused on engineering and production systems, the other on ma...
Bioinformatics Analysis on Posit Connect Cloud with freeCount
The easiest way to use the freeCount R Shiny applications online is through Posit Connect Cloud, which is an online platform that simplifies the deployment of data applications and documents.
Introducing distionary for Building and Probing Distributions
After passing through rOpenSci peer review, the distionary package is now newly available on CRAN.
It allows you to make probability distributions quickly – either from a few inputs or from its built-in library – and then probe them in detail.
These d... [Read more...]
Pharmaverse and Containers
Streamlining Our Pharmaverse Blog: Reducing Publishing Time with containers
As an active contributor to the pharmaverse blog, I’ve always appreciated the opportunity to share new insights and tools with our community. The pharmaverse blog has... [Read more...]
Volleyball Analytics with R: The Complete Guide to Match Data, Sideout Efficiency, Serve Pressure, Heatmaps, and Predictive Models
Volleyball Analytics Volleyball Analytics with R: A Practical, End-to-End Playbook Build a full volleyball analytics workflow in R: data collection, cleaning, scouting reports, skill KPIs, rotation/lineup analysis, sideout & transition, serve/receive, visualization, dashboards, and predictive modeling. Table of Contents Why Volleyball Analytics (and Why R) Volleyball Data Model: Events, ... [Read more...]
Setting Up A Cluster of Tiny PCs For Parallel Computing – A Note To Myself
Enjoyed learning the process of setting up a cluster of tiny PCs for parallel computing. A note to myself on installing Ubuntu, passwordless SSH, automating package installation across nodes, distributing R simulations, and comparing CV5 vs CV10 performance. Fun project!
Motivations
Part of something I want to learn this year ...
admiral 1.4 release
admiral 1.4 is here!
There’s nothing like a new {admiral} release to start the new year with a bang, and that’s exactly what we have for you with {admiral} 1.4! This release comes packed with few choice updates and some exciting new features...
admiral 1.4 release
admiral 1.4 is here!
There’s nothing like a new {admiral} release to start the new year with a bang, and that’s exactly what we have for you with {admiral} 1.4! This release comes packed with few choice updates and some exciting new features...
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